A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

• Laches— 2190
• Lack of unity of invention— 823 ; 1844.01 ; 1845.01 ; 1850
• Lack of utility— 608.01(p) ; 2104 ; 2107
• Language, Offensive— 608 ; 1504.01(e)
• Language of papers— 608.01
• Large Tables— 608.05 ; 608.05(b)
• Late payment of issue fee— 711.03(c)
• Law, new interpretation of— 1207
• Laws, Patent ( See Statutes)
• Legal representative refuses to sign— 409.03(c)
• Letter ( See also Action, Form letters and forms, and Letter, Examiner’s)
  • Abandoned after allowance— 711.05
  • Congressional inquiry— 203.08(a)
  • Drawing transfer— 608.02(i)
  • Official inquiry— 203.08(a)
  • Status— 203.08
• Letter, Examiner’s ( See Examiner’s Letter)
• Letters, receipt and handling— 500
• Letters of administration— 409.01(b)
• Letters testamentary— 409.01(b)
• Library, Scientific ( See Scientific and Technical Information Center (STIC))
• Library services— 901.06(a)
• License agreements under patent— 301
  • Recording of— 310 ; 313
• License rights clause— 310
• License to file foreign application— 115 ; 140
• License to file international application— 140 ; 1832
• Licensee, access— 106.01
• Licensing and Review— 115 ; 120 ; 140 ; 150 ; 502 ; 502.01 ; 709 ; 710 ; 2104.01 ; 2304.01(a)
• Linking claim— 806.04 ; 806.05(c) ; 809 ; 809.03 ; 821.04(a)
  • Transitional application— 803.03(a)
• List of countries giving right of priority— 213.01
• List of decisions— II
• List of prior art in reexamination— 2257
• Literature citation in specification— 608.01(p)
• Litigation information, Duty to disclose— 2001.06(c)
• Litigation not stayed in reissue— 1442.02 ; 1442.04
• Litigation, reexamination copending
  • Ex parte— 2286
• Litigation related reissue— 1404 ; 1442.01 – 1442.05
• Litigation, stays— 1442.03 ; 1442.05
• Living matter ( See also Biotechnology)— 2105
• Local representative of attorneys— 408
• Locarno international classification designation— 907

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